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About HK GUY

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  1. I test drove a 2018 Sierra SLT 5.3 with the 8 speed yesterday at a Toyota dealership and it did the same thing. The salesman was sitting in the back seat and I asked him if he felt the shudder, he did and wondered what it was. I thought it was occurring when it dropped in 4 cylinder mode so I put it manual mode and 7th gear and it continued to shutter every few seconds. Sent from my SM-N975U using Tapatalk
  2. Check out this thread. https://r.tapatalk.com/shareLink/topic?url=https://www.gm-trucks.com/forums/topic/231156-installation-of-grill-lights/&share_tid=231156&share_fid=33003&share_type=t&link_source=app Sent from my SM-N975U using Tapatalk
  3. You could check out this site, I believe it may help with some of your questions. https://www.silencershop.com/ Sent from my SM-N920V using Tapatalk
  4. Does the new compressor come on? Have you tried to add weight to the rear cargo area to see if you can activate the compressor? Sent from my SM-N920V using Tapatalk
  5. I have a 2011 Silverado and had the same problems. I had it towed to the dealer who had it for 3-4 days and said it was a loose ground at the battery. Drove it for a few months and it happened again. I did some additional research and came to the conclusion it was the ground cable itself. I ordered a new one April 11th off Amazon, put it on, and haven't had a problem since then. Sent from my SM-N920V using Tapatalk
  6. I used Scratch Wizard which is very similar to Dr. Colorchip and was impressed with it. I had used the Dr Colorchip on another vehicle but decided to give the wizard a shot because of the filler. https://scratchwizard.net/?gclid=CjwKEAiA-rfDBRDeyOybg8jd2U4SJAAoE5Xq_6dioNIfsXdsFAeblpDjxHXze1vwijtdWC_oHuMhqxoCctrw_wcB Sent from my SM-N920V using Tapatalk
  7. Look like Putco Luminix. Sent from my SM-N920V using Tapatalk
  8. Thanks for the support. Sent from my SM-N920V using Tapatalk
  9. Thanks for the assistance. I received my truck back from the dealer on Tuesday evening 11/15 and they reported they were unable to find an issue although it did fail in the exact same manner while they were test driving the vehicle. The dealer reported they tightened the negative cable feeling this may be the issue but they are unsure as there was no codes set to retrieve. Today marks 1 week I have had the truck and hope the issue is in fact resolved. Sent from my SM-N920V using Tapatalk
  10. Hey guys and gals, I seem to have a computer issue per the dealer. 2011 Silverado LT 2WD Crew Cab with 77K miles. I purchased the truck used on 11/9 from a GM dealer and drove home about 200 miles with no issue. 11/10 I drove to work about 20 miles, it sat for 12 hours, and then I started my drive home. About 14 miles into my drive the dash lights, gauges, radio, door locks, throttle, and transmission went haywire. 1. The door locks unlocked and locked repeatedly for about 15 to 20 seconds. 2. The gauge lights and radio lights dimmed. 3. The radio volume reduced to a level that couldn't be heard. 4. The throttle did not work. 5. The transmission down-shifted to a lower gear, the RPMs shot to about 5K, and then it went back to Drive. All of this occurred at a highway speed of about 65 to 70 mph. I turned on the flashers and started making my way to the emergency lane when all the power came back but the throttle still felt sluggish. Within a 1/4 of a mile it did the same thing all over again. I made it to the exit, activated OnStar to have them run a diagnostic check, and they reported no issues found. I drove the remaining 6 miles to my home without issue however the throttle still felt less responsive than it had previously. The check engine light never illuminated. I had it towed to the nearest GM dealer and they are still running diagnostics. The service representative did say it had some codes but didn't know specifically what they were. The only report as of close of business 11/11 is it is a computer issue. I apologize for the long introductory post but a long lead in to an obvious question, anyone else ever seen or heard of this? Thanks Sent from my SM-N920V using Tapatalk
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